<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      "use strict";
      const user = {
        name: "jack",
        say: function () {
          console.log(this.name, "hello");
        },
      };
      const info = {
        name: "lili",
        talk: user.say.bind(user),
      };

      user.say();
      const talk = user.say.bind(user);
      talk();
      info.talk();
    </script>
  </body>
</html>
